It should be removed regularly by a dentist or dental hygienist; if neglected, it can cause bacteria to lodge between the gums and the teeth, causing gum infection, dental caries, loosening of the teeth, and other disorders. Called also tartar. gastric calculus gastrolith. intestinal calculus enterolith. lung calculus a hard mass or concretion formed in the bronchi around a small center of inorganic material, or from calcified portions of lung tissue or adjacent lymph nodes. Called also pneumolith.
1 Second, your graduation announcement should include the important details of who, what, when, where, and why. 2  This information lets the recipient know what they need to do and by when. 3  If your graduation announcement includes an invitation, RSVP information should be included.
If invitations to the ceremony or grad party are included, remember they should arrive no later than two weeks before the event. Announcements on their own can be sent in a wide timeframe, but as always, promptness will be appreciated, and donât forget to use your matching personalized stationery for thank you notes!isit our page on graduation etiquette for more helpful tips! If youâre still on the fence on whether to send graduation announcements at all, read through our reasons to send grad announcements below. 1  Family and friends want to know.